# RUN: echo -n AAAB > %t.diff
# RUN: echo -n AAA > %t.smaller
# RUN: echo -n AAAAAAAAA > %t.larger

# RUN: yaml2obj --docnum=1 %s -o %t

# RUN: llvm-objcopy --update-section __TEXT,__text=%t.diff %t - | obj2yaml | FileCheck %s
# CHECK: content: '41414142'

# RUN: llvm-objcopy --update-section __TEXT,__text=%t.smaller %t - | obj2yaml | FileCheck %s --check-prefix=SMALLER
# SMALLER: content: '414141'

# RUN: not llvm-objcopy --update-section __TEXT,__text=%t.larger %t /dev/null 2>&1 | FileCheck %s --check-prefix=TOO-LARGE
# TOO-LARGE: error: {{.*}}new section cannot be larger than previous section

# RUN: not llvm-objcopy --update-section __TEXT,__text=%t.noexist %t /dev/null

# RUN: not llvm-objcopy --update-section __NOEXIST,__text=%t.diff %t /dev/null 2>&1 | FileCheck %s --check-prefix=NO-SEGMENT
# NO-SEGMENT: error: {{.*}}could not find segment with name '__NOEXIST'

# RUN: not llvm-objcopy --update-section __TEXT,__noexist=%t.diff %t /dev/null 2>&1 | FileCheck %s --check-prefix=NO-SECTION
# NO-SECTION: error: {{.*}}could not find section with name '__noexist'

# RUN: yaml2obj --docnum=2 %s -o %t

# RUN: llvm-objcopy --update-section __TEXT,__text=%t.diff %t - | obj2yaml | FileCheck %s --check-prefix=FULL-SECNAME
# FULL-SECNAME: content: '41414142'

# RUN: not llvm-objcopy --update-section __text=%t.diff %t /dev/null 2>&1 | FileCheck %s --check-prefix=NON-CANONICAL-SECNAME
# NON-CANONICAL-SECNAME: error: {{.*}}invalid section name '__text' (should be formatted as '<segment name>,<section name>')

--- !mach-o
FileHeader:
  magic:           0xFEEDFACF
  cputype:         0x01000007
  cpusubtype:      0x00000003
  filetype:        0x00000001
  ncmds:           1
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  flags:           0x00002000
  reserved:        0x00000000
LoadCommands:
  - cmd:             LC_SEGMENT_64
    cmdsize:         152
    segname:         __TEXT
    vmaddr:          0
    vmsize:          4
    fileoff:         184
    filesize:        4
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    nsects:          1
    flags:           0
    Sections:
      - sectname:        __text
        segname:         __TEXT
        addr:            0x0000000000000000
        content:         '41414141'
        size:            4
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        flags:           0x80000400
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--- !mach-o
FileHeader:
  magic:           0xFEEDFACF
  cputype:         0x01000007
  cpusubtype:      0x00000003
  filetype:        0x00000001
  ncmds:           1
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  flags:           0x00002000
  reserved:        0x00000000
LoadCommands:
  - cmd:             LC_SEGMENT_64
    cmdsize:         312
    segname:         '__TEXT'
    vmaddr:          0
    vmsize:          12
    fileoff:         344
    filesize:        12
    maxprot:         7
    initprot:        7
    nsects:          3
    flags:           0
    Sections:
      - sectname:        __text
        segname:         __TEXT
        addr:            0x0000000000000000
        content:         'AABBCCDD'
        size:            4
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        align:           0
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        flags:           0x80000400
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      - sectname:        __text
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        content:         ''
        size:            0
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